GradientColorList generates a list of colors for a GradientTable length: the number of colors you want.

GradientPNG generates a gradient PNG as an example.

HexToColor converts a hex string to a Color.

ToUint32 converts a color object to a uint32 for use by the neopixel.

ColorMap is a map of named colors to hex values.

GradientTable contains the "keypoints" of the colorgradient you want to generate.